Billionaire entrepreneur and founder of SpaceX Elon Musk speaks below a computer generated illustration of his new rocket at the 68th International Astronautical Congress 2017 in Adelaide on September 29, 2017. Peter Parks / AFP
Billionaire entrepreneur and founder of SpaceX Elon Musk speaks below a computer generated illustration of his new rocket at the 68th International Astronautical Congress 2017 in Adelaide on SeptemberShow more

Anywhere on Earth in under one hour: Elon Musk's new plan